CN215064949U - Pavement monitoring equipment - Google Patents

Abstract

The application relates to a road surface monitoring facilities belongs to road surface environmental monitoring facilities technical field, and it includes: top cap and drain pan, the top cap with assemble through being provided with the connecting piece between the drain pan, install the temperature monitoring subassembly in the drain pan, the input of temperature monitoring subassembly is worn out top cap contact external environment, wherein, the connecting piece includes: the connecting clamping block is fixed at the top of the bottom shell; and the connecting clamping groove is arranged in the top cover and is matched with the connecting clamping block in size, wherein the top cover is detachably connected with the bottom shell through the matching of the connecting clamping block and the connecting clamping groove. In order to acquire the data of road temperature change in time, the application provides a road surface monitoring facilities, can in time detect the temperature condition on road surface, effectively carries out early warning, prevents to play the guarantee to highway safety of traveling, is favorable to improving the security of road traffic.

Description

Pavement monitoring equipment

Technical Field

The application relates to the field of pavement environment monitoring equipment, in particular to pavement monitoring equipment.

Background

China builds a 'seven-shot nine-longitudinal-eighteen-transverse' highway network in 30 years, the total mileage of the Chinese highway reaches 14 ten thousand kilometers till now, the highway occupies the first place of the world, and the development of the highway has more and more important influence on national economy.

The change of weather conditions, especially extreme severe weather conditions, brings huge risks to the vehicles running on the highway, which not only seriously affects the transportation, but also causes serious losses of national property and people's lives and properties. In bad weather, frequent traffic accident sections are easy to form on the highway, such as a water accumulation section and an icing section, the braking of the automobile and the slipping of wheels are influenced, a fog section influences the driving visual field, and the traffic accidents such as rear-end collision, side turning, collision and the like are easy to happen when the automobile runs on the problematic road section at high speed; meanwhile, the tire burst of the vehicle is easily caused in a high-temperature road section, so that traffic accidents occur.

The change of severe weather is closely related to the change of road temperature, and the change of timely acquiring the road temperature can play a powerful guarantee for the running safety of the highway by early warning and preventing, thereby being beneficial to further improving the safety of road traffic.

SUMMERY OF THE UTILITY MODEL

In order to acquire the data of road temperature change in time, the application provides a road surface monitoring facilities, can in time detect the temperature condition on road surface, effectively carries out early warning, prevents to play the guarantee to highway safety of traveling, is favorable to improving the security of road traffic.

The application provides a road surface monitoring facilities adopts following technical scheme:

a pavement monitoring apparatus comprising: top cap and drain pan, the top cap with assemble through being provided with the connecting piece between the drain pan, install the temperature monitoring subassembly in the drain pan, the input of temperature monitoring subassembly is worn out top cap contact external environment, wherein, the connecting piece includes: the connecting clamping block is fixed at the top of the bottom shell; and the connecting clamping groove is arranged in the top cover and is matched with the connecting clamping block in size, wherein the top cover is detachably connected with the bottom shell through the matching of the connecting clamping block and the connecting clamping groove.

Through adopting the above technical scheme, on the one hand, the temperature monitoring subassembly can be measured external temperature, obtain temperature data, thereby can learn external temperature condition, when the output of temperature monitoring subassembly contacts with the road surface, can acquire the temperature of road, thereby can monitor the road surface temperature condition of road, on the other hand, through the setting of connecting piece between this top cap and the drain pan, form the exterior structure of monitoring facilities with top cap and drain pan, can protect the temperature monitoring subassembly, make the temperature monitoring subassembly can well monitor the temperature condition, specifically, the connection fixture block in the connecting piece can cooperate with the connection draw-in groove, make top cap and drain pan carry out detachable installation between the two, on the one hand can the closed equipment, on the other hand can conveniently open equipment, change equipment component, the device component, The equipment maintenance can be conveniently carried out.

Preferably, a support frame is detachably mounted in the bottom shell, and the temperature monitoring assembly is mounted on the support frame.

Through adopting above-mentioned technical scheme, the support frame can carry out position determination to the temperature monitoring subassembly, provides a stable, firm installation environment for the temperature monitoring subassembly, and the stable setting of temperature monitoring subassembly can make it obtain more stable temperature data, and the data of the road surface temperature of feeding back out can be more accurate.

Preferably, the support frame top be provided with first hold the chamber support frame bottom is provided with the second and holds the chamber, the temperature monitoring subassembly includes: the main control circuit board is placed in the first accommodating cavity; the flat cable is electrically connected with the main control circuit board; the temperature measuring component is electrically connected with one end of the flat cable, which is far away from the main control circuit board; and the energy conversion device is arranged in the second accommodating cavity, the main control circuit board is electrically connected with the energy conversion device, and the temperature measurement component is in information connection with an external information terminal.

Through adopting above-mentioned technical scheme, mark off the first chamber that holds and the second holds the chamber and makes main control circuit board and energy conversion device can place with the partition formula from the support frame, make things convenient for the staff to change after the life of temperature monitoring subassembly reaches, the inner space of rational utilization top cap and drain pan both formation.

Preferably, the top cap is a light-transmitting cap body, a photovoltaic solar panel is installed on the inner top wall of the top cap, and the photovoltaic solar panel is electrically connected with the energy conversion device.

Through adopting above-mentioned technical scheme, photovoltaic solar panel can effectively promote the duration of equipment, utilizes solar energy as the energy source, and equipment possesses good environmental protection effect.

Preferably, the first lateral wall that holds the chamber is provided with the locator card strip, first foam-rubber cushion is installed to the first interior diapire that holds the chamber, the first inside wall horizontal installation that holds the chamber has the spacer, the plate body position of main control circuit board is place on the spacer, the bottom of main control circuit board with first foam-rubber cushion looks butt.

Through adopting above-mentioned technical scheme, the locator card strip can carry out position determination to the master control circuit board of laying in first holding the intracavity, plays better positioning action to the master control circuit board, and installing of first foam-rubber cushion, master control circuit board week side can reduce and collide with, effectively protects the master control circuit board, prevents the damage of master control circuit board.

Preferably, the top of the main control circuit board is provided with an insulating sheet.

Through adopting above-mentioned technical scheme, the insulating piece can hide main control circuit board in the first intracavity that holds for can reduce the circuit problem that produces because arranging of electric wire between main control circuit board and the photovoltaic solar panel, effectively protect the inner structure of equipment.

Preferably, a second spongy cushion is arranged between the insulating sheet and the main control circuit board, and the top of the second spongy cushion is abutted to the bottom of the insulating sheet.

Through adopting above-mentioned technical scheme, the management of equipment inner space can be done to the second foam-rubber cushion setting between insulating piece and main control circuit board for can keep certain distance between main control circuit board and the insulating piece, simultaneously, the second foam-rubber cushion still has certain cushioning effect to the insulating piece.

Preferably, the pad body part of the second sponge pad is positioned in the first accommodating cavity, and the bottom of the second sponge pad is abutted to the main control circuit board.

Through adopting above-mentioned technical scheme, improve main control circuit board's stability, can effectively make main control circuit board's damaged condition reduce to appear.

Preferably, the top cover is provided with a heat conducting plate, and the bottom of the heat conducting plate is abutted to the input end of the temperature measuring component.

Through adopting above-mentioned technical scheme, the heat-conducting plate increases the area of gaining heat, and simultaneously, the butt cooperation of heat-conducting plate and temperature measurement components and parts can improve the measurement accuracy of temperature measurement components and parts.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the top cover and the bottom shell can be conveniently and rapidly installed and detached, and equipment can be maintained, repaired, parts can be replaced and the like according to actual conditions;

2. the temperature measurement component can acquire the road temperature change condition in time, the temperature measurement component and the heat conducting plate are matched to improve the temperature measurement accuracy, and the temperature change can be effectively acquired;

3. the first spongy cushion and the second spongy cushion can protect elements inside the equipment to a certain extent, the heat conducting plate can protect a shell outside the equipment to a better degree, and the safety performance of the equipment is integrally improved.

Drawings

Fig. 1 is a schematic view of an overall sealing structure of the apparatus in the embodiment of the present application.

Fig. 2 is a schematic structural view of the device in the embodiment of the present application after the heat-conducting plate is disassembled.

Fig. 3 is a schematic view illustrating a disassembled structure of the top cover and the bottom case in the embodiment of the present application.

Fig. 4 is a schematic structural diagram of the device after the heat conducting plate and the top cover are disassembled in the embodiment of the application.

Fig. 5 is a schematic structural diagram of the device for disassembling the heat conducting plate and the top cover and for exploding the internal structure of the support frame in the embodiment of the application.

Fig. 6 is a schematic structural diagram of the device in the embodiment of the present application, after the heat conducting plate and the top cover are disassembled, and the structure inside the explosion supporting frame.

Fig. 7 is a schematic structural diagram of another device for disassembling the heat conducting plate and the top cover and for forming an internal structure of the explosion supporting frame in the embodiment of the present application.

Description of reference numerals:

1. a top cover; 11. a cover cavity.

2. A bottom case; 21. an inner cavity; 22. a first reinforcing rib; 23. and a second reinforcing rib.

31. Connecting a clamping block; 311. fitting the block body; 312. matching the clamping strip; 32. a connecting clamping groove; 321. clamped into the clamping groove; 322. sliding into the clamping groove; 33. installing an edge strip; 34. positioning blocks; 35. a bump; 36. a groove; 37. a ring groove; 371. and (5) sealing rings.

41. A first alignment mark; 42. a second alignment mark; 43. and a third alignment mark.

51. A support frame; 511. a bracket locking threaded hole; 512. the bracket is connected with the threaded hole; 513. a bolt; 52. a first accommodating chamber; 53. a second accommodating chamber; 541. a main control circuit board; 542. a temperature measuring component; 543. arranging wires; 544. an energy conversion device; 55. a first foam-rubber cushion; 56. positioning plates; 57. positioning the clamping strip; 581. a port; 582. a placement groove; 583. an annular groove; 584. and sealing the ring strip.

61. A heat conducting plate; 62. the plate body is connected with the threaded hole; 63. the plate body locks the threaded hole; 64. and (4) screws.

7. Photovoltaic solar panel.

8. An insulating sheet.

9. A second foam-rubber cushion.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Referring to fig. 1, the pavement monitoring device comprises two parts, wherein one part is a shell part, the other part is an inner container part, an inner space is formed in the shell part, and the inner container part is arranged in the inner space.

Referring to fig. 2 and 3, in the present embodiment, the housing portion includes a top cover 1 and a bottom case 2, the top cover 1 may be a light-transmitting PC cover, the bottom case 2 may be a PC shell, the top cover 1 has a cover cavity 11, the bottom case 2 has an inner cavity 21, the top cover 1 and the bottom case 2 are detachably mounted through a connector, the top cover 1 and the bottom case 2 are assembled, an opening of the cover cavity 11 faces downward, and an opening of the inner cavity 21 faces upward.

In this embodiment, referring to fig. 3, the connector includes a connecting block 31 and a connecting slot 32.

Specifically, be equipped with installation strake 33 at the top edge of bottom shell 2, connect fixture block 31 and fix on the top surface of installation strake 33, it is at least three to connect fixture block 31, in this embodiment, it specifically is three to connect fixture block 31, three connection fixture block 31 is arranged each other equidistance, connect fixture block 31 including cooperation block 311 and cooperation strake 312, it is fixed mutually between cooperation block 311 and the installation strake 33, cooperation strake 312 then sets up on the lateral surface of cooperation block 311, wherein, cooperation strake 312 is in cooperation block 311 and keeps away from on the one end position of installation strake 33.

In addition, the connecting clamping grooves 32 are formed in the inner side wall of the cover cavity 11 of the top cover 1, the number of the connecting clamping grooves 32 is the same as that of the connecting clamping blocks 31, the connecting clamping grooves 32 are arranged at equal intervals, and the connecting clamping grooves 32 correspond to the connecting clamping blocks 31 one by one.

Specifically, referring to fig. 3, the connection slot 32 includes a card-in slot 321 and a slide-in slot 322, the card-in slot 321 is adapted to the size of the matching card bar 312, the matching card bar 312 can slide in the card-in slot 321 in the vertical direction, the slide-in slot 322 is connected to the card-in slot 321 in an "L" shape, the slide-in slot 322 is also adapted to the size of the matching card bar 312, and the matching card bar 312 can slide in the horizontal direction along the extending direction of the slide-in slot 322 in the slide-in slot 322.

In the present embodiment, the cooperation between the top cover 1 and the bottom case 2 is: card income draw-in groove 321 of top cap 1 bottom and the cooperation draw-in strip 312 on the installation strake 33 carry out one-to-one and aim at, cover top cap 1 on bottom shell 2, cooperation draw-in strip 312 carries out the ascending slip of vertical direction in card income draw-in groove 321, after cooperation draw-in strip 312 travels to the maximum distance in card income draw-in groove 321, cooperation draw-in strip 312 can reach and slide into draw-in groove 322 and the department of being connected of draw-in groove 321, rotate top cap 1 this moment again for cooperation draw-in strip 312 slides in draw-in groove 322, after cooperation draw-in strip 312 travels to the maximum distance in slide-in draw-in groove 322, assembly between top cap 1 and the bottom shell 2 is accomplished.

Referring to fig. 3, the top cover 1 has a peripheral overlooking structure, and the installation edge strip 33 has a peripheral overlooking structure which is also a dodecagon structure, on one hand, the dodecagon structure can improve the structural stability of the top cover 1 and the bottom case 2, so that the top cover 1 and the bottom case 2 have excellent pressure resistance, on the other hand, the dodecagon shape structure can be conveniently slid and rotated when the top cover 1 is installed, and after the top cover 1 and the bottom case 2 are assembled, the top cover 1 and the installation edge strip 33 are overlapped with each other exactly.

Meanwhile, referring to fig. 3, a first alignment mark 41 is fixed on the periphery of the top cover 1, a second alignment mark 42 and a third alignment mark 43 are fixed on the periphery of the mounting edge strip 33, when the matching clip strip 312 is matched with the clip slot 321 for mounting, the first alignment mark 41 and the second alignment mark 42 are just opposite up and down, and when the matching clip strip 312 slides into the clip slot 322 to a maximum distance, the first alignment mark 41 and the third alignment mark 43 are just opposite up and down, and whether the top cover 1 and the bottom case 2 are assembled can be intuitively understood through the first alignment mark 41, the second alignment mark 42, the third alignment mark 43, the dodecagon structure of the top cover 1 and the mounting edge strip 33.

Wherein, top cap 1, including setting up lid chamber 11, connecting slot 32, the first alignment mark 41 on top cap 1 and all being the integrated into one piece that moulds plastics, and drain pan 2, including setting up inner chamber 21, installation strake 33, connecting fixture block 31, second alignment mark 42, the third alignment mark 43 on drain pan 2 are the integrated into one piece that moulds plastics equally.

In more detail, referring to fig. 3, a positioning block 34 is further fixed to a side surface of the slide-in slot 322 away from the card-in slot 321, and at the same time, a convex block 35 is fixed on the inner wall of the slide-in slot 322, a groove 36 is arranged on the strip body matched with the clamping strip 312, the size of the groove 36 is matched with that of the convex block 35, when the top cover 1 and the bottom cover 2 are assembled and the card strip 312 slides in the card slot 322, the protrusion 35 and the groove 36 meet each other, and at this time, the connecting latch 31 has a certain deformation capability based on the characteristics of the PC material, after the matching clamping strip 312 is deformed within a certain range, the projection 35 can be just completely clamped in the groove 36, and through the matching of the positioning piece 56 and the projection 35 and the groove 36, the stability of the fit between the connecting slot 32 and the connecting strip can be further improved, so that the stability of the locking between the top cover 1 and the bottom case 2 is improved.

Referring to fig. 3, in order to improve the tightness between the top cover 1 and the bottom case 2, an annular groove 37 is formed in the bottom edge of the top cover 1, a sealing ring 371 is installed in the annular groove 37, the bottom of the ring body of the sealing ring 371 protrudes out of the annular groove 37, and after the top cover 1 and the bottom case 2 are assembled, the sealing ring 371 can be tightly attached to a gap between the top cover 1 and the bottom case 2, so that the shell part has better tightness, and the environment in the cover cavity 11 and the inner cavity 21 is effectively guaranteed to be dry.

In the present embodiment, referring to fig. 4 and 5, the inner container portion includes a support frame 51 and a temperature monitoring assembly.

Referring to fig. 6, a bracket locking screw hole 511 is formed at an inner bottom wall position of the top cover 1, a bracket connecting screw hole 512 is formed through a bracket body of the support bracket 51, and the support bracket 51 and the bottom cover can be connected by sequentially inserting a bolt 513 into the bracket connecting screw hole 512 and the bracket locking screw hole 511 through a screw.

In addition, referring to fig. 6 and 7, the top of the supporting frame 51 is provided with a first accommodating cavity 52, the bottom of the supporting frame 51 is provided with a second accommodating cavity 53, in this embodiment, the temperature monitoring assembly includes a main control circuit board 541 and a temperature measurement component 542, a first foam rubber cushion 55 is installed on the inner bottom wall of the first accommodating cavity 52, a positioning sheet 56 is horizontally installed on the inner side wall of the first accommodating cavity 52, the main control circuit board 541 is placed on the positioning sheet 56, the main control circuit board 541 is a printed circuit board, specifically, a double-sided printed circuit board, because both sides of the main control circuit board 541 are provided with wiring and are equipped with circuit board elements, part of the circuit board elements at the bottom of the main control circuit board 541 is just abutted against the top surface of the first foam rubber cushion 55.

Meanwhile, referring to fig. 6 and 7, a plurality of positioning clip strips 57 are vertically fixed on the side wall of the first accommodating cavity 52, specifically, eight positioning clip strips 57 are provided in this embodiment, the eight positioning clip strips 57 are symmetrically arranged on two opposite side positions of the first accommodating cavity 52, and after the main control circuit board 541 is placed in the first accommodating cavity 52, the positioning clip strips 57 are just abutted against the side wall of the main control circuit board 541, so that a better positioning effect is provided for the main control circuit board 541.

Referring to fig. 6 and 7, a flat cable 543 is electrically connected to the main control circuit board 541, the temperature measurement components 542 and one end of the flat cable 543 away from the main control circuit board 541 are electrically connected, specifically, in this embodiment, the temperature measurement components 542 employ temperature sensors, and three temperature measurement components 542 are provided, more specifically, a through hole 581 is formed through the cover of the top cover 1, a placement groove 582 is formed on the top surface of the cover of the top cover 1, the placement groove 582 is connected to the through hole 581, the size of the placement groove 582 is adapted to the temperature measurement components 542, the temperature measurement components 542 are placed in the placement groove 582, the temperature measurement components 542 can monitor the temperature in the external environment, the temperature measurement components 542 collect temperature data, the temperature measurement components 542 are in information connection with external information terminals, so that the obtained data can be output at the external information terminals, the external information terminal can be a vehicle-mounted terminal, a vehicle-mounted tablet, a mobile terminal and the like.

Referring to fig. 6 and 7, in order to improve the data accuracy of the temperature measuring component 542 for monitoring the highway pavement, a heat conducting plate 61 is installed on the top of the top cover 1, in this embodiment, the heat conducting plate 61 specifically adopts steel plates, and the steel plates have three layers, and the three layers of steel plates are arranged in a stacked manner.

Referring to fig. 6 and 7, the heat conducting plate 61 is provided with a plate body connecting threaded hole 62, the top cover 1 is provided with a plate body locking threaded hole 63, the heat conducting plate 61 and the top cover 1 can be fixedly connected by sequentially penetrating the screw 64 into the plate body connecting threaded hole 62 and the plate body locking threaded hole 63, and after the heat conducting plate 61 and the top cover 1 are assembled, one end of the temperature measuring component 542, which is used for measuring the temperature, is just abutted to the bottom surface of the heat conducting plate 61.

Meanwhile, in order to protect the temperature measurement component 542, an annular groove 583 is formed in the top face of the cover body of the top cover 1, the annular groove 583 surrounds the placement groove 582, a sealing ring 584 is installed in the annular groove 583, the top of the sealing ring 584 protrudes out of the annular groove 583, after the heat conduction plate 61 and the top cover 1 are assembled, the sealing ring 584 can be tightly attached to a gap between the heat conduction plate 61 and the top cover 1, and corrosion of water vapor and the like to the temperature measurement component 542 can be effectively reduced.

Referring to fig. 6 and 7, an energy conversion device 544 is installed in the second accommodating cavity 53, the main control circuit board 541 is electrically connected to the energy conversion device 544, and the energy conversion device 544 can be used as an energy source to provide working energy for the temperature measurement component 542.

In order to improve the cruising ability of the equipment, the energy conversion device 544 adopts a high-capacity high-temperature-resistant energy storage lithium battery which can be charged, meanwhile, the inner wall of the cover cavity 11 of the top cover 1 is provided with the photovoltaic solar panel 7, the photovoltaic solar panel 7 specifically adopts a high-performance monocrystalline silicon solar panel, the photovoltaic solar panel 7 is electrically connected with the energy conversion device 544, the electric energy in the energy conversion device 544 can be supplemented, and therefore the frequency of replacing the energy conversion device 544 can be reduced.

Referring to fig. 6 and 7, in addition, an insulating sheet 8 is installed between the photovoltaic solar panel 7 and the main control circuit board 541, the insulating sheet 8 specifically adopts a mylar sheet in this embodiment, meanwhile, a second foam-rubber cushion 9 is arranged between the insulating sheet 8 and the main control circuit board 541, the top of the second foam-rubber cushion 9 is abutted to the bottom of the insulating sheet 8, in this embodiment, the second foam-rubber cushion 9 is specifically installed above the positioning clamp strip 57, and the cushion body part of the second foam-rubber cushion 9 is located in the first accommodating cavity 52, and the bottom of the second foam-rubber cushion 9 is abutted to the main control circuit board 541.

Referring to fig. 6 and 7, the main control circuit board 541 can be covered in the first accommodating cavity 52 by the insulating sheet 8, so that the photovoltaic solar panel 7 can cover the first accommodating cavity 52 while receiving sunlight, the structure in the inner cavity 21 is difficult to observe, an opening is formed in the insulating sheet 8, the main control circuit board 541 and the photovoltaic solar panel 7 can be wired at the opening, the circuit problem caused by the arrangement of wires can be reduced between the main control circuit board 541 and the photovoltaic solar panel 7, and the internal structure of the device is effectively protected.

Referring to fig. 6 and 7, in order to further improve the pressure resistance of the housing portion and effectively protect the device itself, a first reinforcing rib 22 is fixed on the outer wall of the bottom case 2, and a second reinforcing rib 23 is fixed on the side wall of the inner cavity 21, and the structural stability of the bottom case 2 can be effectively improved by the arrangement of the first reinforcing rib 22 and the second reinforcing rib 23.

The above are all preferred embodiments of the present application, and the present embodiment is only explained for the present application, and the protection scope of the present application is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A pavement monitoring apparatus, comprising: top cap (1) and drain pan (2), top cap (1) with assemble through being provided with the connecting piece between drain pan (2), install temperature monitoring subassembly in drain pan (2), the input of temperature monitoring subassembly is worn out top cap (1) contact external environment, wherein, the connecting piece includes: a connecting fixture block (31) fixed on the top of the bottom shell (2); and the connecting clamping groove (32) is formed in the top cover (1) and is matched with the connecting clamping block (31) in size, wherein the top cover (1) and the bottom shell (2) are detachably connected through the matching of the connecting clamping block (31) and the connecting clamping groove (32).

2. A pavement monitoring device according to claim 1, characterized in that a supporting frame (51) is detachably mounted in said bottom case (2), and said temperature monitoring assembly is mounted on said supporting frame (51).

3. A pavement monitoring device according to claim 2, characterized in that the supporting frame (51) is provided with a first accommodating cavity (52) at the top and a second accommodating cavity (53) at the bottom of the supporting frame (51), and the temperature monitoring assembly comprises: a main control circuit board (541) disposed within the first accommodation chamber (52); a flat cable (543) electrically connected to the main control circuit board (541); the temperature measurement component (542) is electrically connected with one end of the flat cable (543) far away from the main control circuit board (541); and the energy conversion device (544) is arranged in the second accommodating cavity (53), wherein the main control circuit board (541) is electrically connected with the energy conversion device (544), and the temperature measurement component (542) is in information connection with an external information terminal.

4. A pavement monitoring device according to claim 3, characterized in that the top cover (1) is a light-transmitting cover, the inner top wall of the top cover (1) is provided with a photovoltaic solar panel (7), and the photovoltaic solar panel (7) is electrically connected with the energy conversion device (544).

5. The pavement monitoring device according to claim 4, characterized in that a positioning clamping strip (57) is arranged on the side wall of the first accommodating cavity (52), a first sponge pad (55) is installed on the inner bottom wall of the first accommodating cavity (52), a positioning sheet (56) is horizontally installed on the inner side wall of the first accommodating cavity (52), the plate body part of the main control circuit board (541) is placed on the positioning sheet (56), and the bottom of the main control circuit board (541) is abutted against the first sponge pad (55).

6. A pavement monitoring device according to claim 5, characterized in that the top of the main control circuit board (541) is provided with an insulating sheet (8).

7. A pavement monitoring device according to claim 6, characterized in that a second foam rubber mat (9) is arranged between the insulating sheet (8) and the main control circuit board (541), and the top of the second foam rubber mat (9) abuts against the bottom of the insulating sheet (8).

8. A pavement monitoring device according to claim 7, characterized in that the body part of the second foam rubber cushion (9) is located in the first receiving cavity (52), and the bottom of the second foam rubber cushion (9) abuts against the main control circuit board (541).

9. The pavement monitoring device according to claim 3, characterized in that a heat conducting plate (61) is mounted on the top of the top cover (1), and the bottom of the heat conducting plate (61) abuts against the input end of the temperature measuring component (542).

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